<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="page">
    <h3 class="big-title">活动专区</h3>
    <form action="" class="page-container">
      <p>您还未参加活动</p>
    </form>

</div>
</body>
</html>